Chem-nuclear Systems, LLC

Other

Robert T Anderson

Tracy A Barker

Samuel D Pearson

Victor J Barnhart

Mark H Kirshe

A method is disclosed for treating liquid radioactive waste to provide reusable water, while reducing the overall volume and water content of the removed solid contaminants. The process is carried out in two separate stages, generally in at least two separate locations. In the first stage, the waste is pretreated at a first site, preferably where the waste was generated, to provide clean water, and a concentrated fraction containing removed suspended and dissolved solids, as well as some remaining water. The pretreatment typically involves passing the liquid waste through one or more microfilters, ultrafilter or nanofilters in combination with a reverse osmosis membrane. In the second stage of the process, the concentrated waste fraction, containing the removed solids, is transported to a second site, where it is thermally treated to remove the remaining water and reduce the volume of the remaining solids.

Method for processing liquid radioactive waste

A method and an apparatus for the disposal of low-level radioactive wastes are disclosed. Under the disclosed method, the waste is first introduced into a preconstructed multipurpose container which comprises a polyethylene inner container disposed within an outer concrete shell. Processing of the waste is carried out within the multipurpose container. The filled container is then transported to a disposal site, followed by storage of the waste at the storage disposal site. The claimed apparatus comprises an empty multipurpose storage container for use in the method. The multipurpose container is adapted for receiving and storing low-level radioactive waste, and comprises a polyethylene inner container disposed within an outer concrete shell. The multipurpose container is suitable for use during the processing and collection of low-level radioactive waste at the generation site, provides sufficient protection during transportation, and can serve as the permanent storage container upon delivery of the container to a remote disposal site.

Multipurpose container for low-level radioactive waste

Ductile iron cask with encapsulated uranium, tungsten or other dense

Growing community of inventors

Aiken, SC, United States of America

Robert T Anderson